2003

5.9

2005

5.3

2017

5.0

2002

6.8

2022

0.0

1986

6.1

2014

6.7

2001

7.3

1988

6.2

1996

6.5

2007

4.0

1970

7.1

1964

7.1

2021

7.0

2018

3.5

2009

6.9

0.0

2020

6.4

2007

4.9

1994

7.5